Literacy Scores by Country, in Reading, Math, and Science

Among 15-year-old students, here’s how 77 countries compare in reading, math, and science. Higher scores are better.


These scores are from the Program for International Student Assessment (PISA). I kind of expected countries that excelled in one subject to be not as good in the other subject, but that wasn’t the case at all. If a country clusters around a certain score in reading, then they’re in the same range in the other subjects.

Note: B-S-J-Z stands for Beijing, Shanghai, Jiangsu and Zhejiang. PISA assessed different regions in China separately.

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Divorce and Occupation

Some jobs tend towards higher divorce rates. Some towards lower. Salary also probably plays a role.

Reviving the Statistical Atlas of the United States with New Data

Due to budget cuts, there is no plan for an updated atlas. So I recreated the original 1870 Atlas using today’s publicly available data.

Data, R, and a 3-D Printer

We almost always look at data through a screen. It’s quick and good for exploration. So is there value in making data physical? I played around with a 3-D printer to find out.

Unemployment in America, Mapped Over Time

Watch the regional changes across the country from 1990 to 2016.